12588812545 has 24 divisors (see below), whose sum is σ = 16350350904. Its totient is φ = 9299736576.

The previous prime is 12588812527. The next prime is 12588812557. The reversal of 12588812545 is 54521888521.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 7376656 + 12581435889 = 2716^2 + 112167^2 .

It is not a de Polignac number, because 12588812545 - 2⁵ = 12588812513 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5604 + ... + 158773.

It is an arithmetic number, because the mean of its divisors is an integer number (681264621).

Almost surely, 2^12588812545 is an apocalyptic number.

It is an amenable number.

12588812545 is a deficient number, since it is larger than the sum of its proper divisors (3761538359).

12588812545 is a wasteful number, since it uses less digits than its factorization.

12588812545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164469 (or 164452 counting only the distinct ones).

The product of its digits is 1024000, while the sum is 49.

The spelling of 12588812545 in words is "twelve billion, five hundred eighty-eight million, eight hundred twelve thousand, five hundred forty-five".